MATH CASA Questions with Complete Solutions (Latest 2025) In a class of 42 students, 18 are boys. Two girls get transferred to another school. What percent of students remaining are girls? - Correct Answers ✅E.The entire class has 42 students, 18 of which are boys, meaning 42-18=24 is the number of girls. Out of these 24 girls, 2 leave; so 22 girls are left. The total number of students is now 42-2=40. 22/40*100=55% A payroll check is issued for $500.00. If 20% goes to bill, 30% of the remainder goes to pay entertainment expenses, and 10% of what is left is placed in a retirement account, then approximately how much is remaining? - Correct Answers ✅B If out the entire paycheck, 20% is first taken out, then the remainder is 80%. Of this remainder, if 30% is used for entertainment, then (.8-.80*.30)=.560 is left. If 10% is put into a retirement account, then (.56-.56*.1)=.504 is remaining. So out of $500, the part that remains is 50%, which is $252.A painting by Van Gogh increased in value by 80% from last year 1995 to year 2000. If in year 2000, the painting is worth $7200, what was its value in 1995? - Correct Answers ✅D In 2005, the value was 1.8 times its value in 1995. So 1.8 times its value in 1995. So 1.8x=7200~x=4000 "Dresses and Ties" sells a particular dress for $60 dollars.But, they decide to discount the price of that dress by 25%.
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